40375510128 has 50 divisors (see below), whose sum is σ = 116858443944. Its totient is φ = 13458502944.

The previous prime is 40375510127. The next prime is 40375510151. The reversal of 40375510128 is 82101557304.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40375510092 and 40375510101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375510121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15575676 + ... + 15578267.

Almost surely, 2^40375510128 is an apocalyptic number.

40375510128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40375510128 is an abundant number, since it is smaller than the sum of its proper divisors (76482933816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40375510128 is a wasteful number, since it uses less digits than its factorization.

40375510128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31153963 (or 31153948 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 40375510128 in words is "forty billion, three hundred seventy-five million, five hundred ten thousand, one hundred twenty-eight".